Java String Extract extractNumberFromInput(String command)

Description

Returns ArrayList which contains not repeated input numbers

License

Open Source License

Declaration

private static ArrayList<Integer> extractNumberFromInput(String command) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;

public class Main {
    /**/*from w  w w.  j  a v a 2 s .c om*/
     * Returns ArrayList which contains not repeated input numbers
     */
    private static ArrayList<Integer> extractNumberFromInput(String command) {
        String[] splittedStringIndexes = command.trim().replace(" ", "").split(",");
        ArrayList<Integer> intIndexList = new ArrayList<Integer>();
        for (String index : splittedStringIndexes) {
            if (index.contains("to")) {
                String[] range = index.split("to");
                int start = Integer.parseInt(range[0]);
                int end = Integer.parseInt(range[1]);
                for (int i = start; i <= end; i++) {
                    if (!intIndexList.contains(i)) {
                        intIndexList.add(i);
                    }
                }
            } else {
                if (!intIndexList.contains(Integer.parseInt(index))) {
                    intIndexList.add(Integer.parseInt(index));
                }
            }
        }
        return intIndexList;
    }
}

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